Index of /files/Vintage Electronics/Audio/Pre-amps, Equalizers and Processors/

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400C Tube Preamp.jpg                               15-Aug-2012 22:38    180K
A Continuously Variable Equalizing Pre -Amplifi..> 12-Apr-2025 03:21    163K
Ba-1A Preamp.jpg                                   01-Jan-2004 07:09     92K
Continuously Variable Equalization Amplifier.pdf   15-Nov-2023 22:07    409K
EF86 Based Signal Amplifier.jpg                    17-May-2016 23:14     19K
How to use magnetic pickups.pdf                    11-Jan-2024 00:34    506K
Loudness Control 1948.pdf                          10-Apr-2025 03:45    490K
Low Loss Tone Control 1949.pdf                     10-Apr-2025 03:54     86K
Moving Iron Phono Pickup Preamps 1947.pdf          10-Apr-2025 20:44    197K
Multi Channel Audio Mixer Preamplifier from 195..> 09-Nov-2023 00:29    662K
PAS-3 series2.jpg                                  01-Jun-2015 16:04    323K
Pultec EQP-1RA Equalizer.jpg                       12-Jun-2024 04:16    135K
Simple RC Filters for Phonograph Amplifiers 194..> 12-Apr-2025 03:24    280K
Simplified Control Unit.pdf                        22-Jan-2025 05:51      2M
Tone Control Adventure 1948.pdf                    08-Jan-2024 19:40    535K
Transition Frequency Compensation 1947.pdf         10-Apr-2025 21:00    143K
Tuned Audio Frequency Filters 1947.pdf             10-Apr-2025 20:43    232K